diff options
Diffstat (limited to 'gcc/ada/gcc-interface/decl.c')
| -rw-r--r-- | gcc/ada/gcc-interface/decl.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c index 3aaaaca73ed..9de85ef8e4b 100644 --- a/gcc/ada/gcc-interface/decl.c +++ b/gcc/ada/gcc-interface/decl.c @@ -388,7 +388,8 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, bool definition) must be specified unless it was specified by the programmer. Exceptions are for access-to-protected-subprogram types and all access subtypes, as another GNAT type is used to lay out the GCC type for them. */ - gcc_assert (!Unknown_Esize (gnat_entity) + gcc_assert (!is_type + || Known_Esize (gnat_entity) || Has_Size_Clause (gnat_entity) || (!IN (kind, Numeric_Kind) && !IN (kind, Enumeration_Kind) @@ -1836,7 +1837,7 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, bool definition) && esize == CHAR_TYPE_SIZE && flag_signed_char) gnu_type = make_signed_type (CHAR_TYPE_SIZE); - else if (Is_Unsigned_Type (Etype (gnat_entity)) + else if (Is_Unsigned_Type (Underlying_Type (Etype (gnat_entity))) || (Esize (Etype (gnat_entity)) != Esize (gnat_entity) && Is_Unsigned_Type (gnat_entity)) || Has_Biased_Representation (gnat_entity)) @@ -8022,6 +8023,14 @@ annotate_value (tree gnu_size) switch (TREE_CODE (gnu_size)) { case INTEGER_CST: + /* For negative values, build NEGATE_EXPR of the opposite. Such values + can appear for discriminants in expressions for variants. */ + if (tree_int_cst_sgn (gnu_size) < 0) + { + tree t = wide_int_to_tree (sizetype, wi::neg (gnu_size)); + return annotate_value (build1 (NEGATE_EXPR, sizetype, t)); + } + return TREE_OVERFLOW (gnu_size) ? No_Uint : UI_From_gnu (gnu_size); case COMPONENT_REF: |